Tidal wave

• A tidal bore, a large movement of water formed by the funneling of the incoming tide into a river or narrow bay
• A rogue wave of up to 100 feet high, often in the middle of the ocean and against prevailing current and wave direction
• The crest (physics) of a tide as it moves around the Earth.
• Tsunami are often referred to popularly as tidal waves. This term is inaccurate because tsunamis are not related to tides and its use is discouraged by geologists and oceanographers.

Other uses include:

• Tidal Wave (1943), a World War II military operation
• Tidal Wave 7", a 1993 EP by The Apples in Stereo and song on the album Fun Trick Noisemaker
• Tidal Wave (album), a 2004 album by Longwave (band)
• Tidal Wave, a band, associated with the United States Naval Academy Band
• Tidal Wave (Transformers), a Decepticon in the Transformers universe
• The theme park ride at Thorpe Park, in the UK
• A ride at Six Flags Magic Mountain
• A ride at Six Flags St. Louis
• metal festiveal in san fransico